Validation of sea ice concentration - European sector
Bulletin date: 2023-12-07
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-01:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73447 |
8350 |
205 |
264 |
193 |
79 |
0 |
0 |
| OW |
9 |
826 |
177 |
285 |
51 |
99 |
0 |
0 |
| VODI |
2 |
259 |
151 |
486 |
168 |
96 |
0 |
0 |
| ODI |
4 |
78 |
62 |
429 |
345 |
180 |
2 |
0 |
| CDI |
0 |
25 |
22 |
181 |
548 |
1170 |
145 |
0 |
| VCDI |
0 |
5 |
8 |
72 |
240 |
1077 |
6864 |
3812 |
|
...date precedes bulletin
|
Date: 2023-12-03:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72347 |
9134 |
216 |
422 |
200 |
34 |
0 |
0 |
| OW |
11 |
569 |
175 |
440 |
77 |
70 |
0 |
0 |
| VODI |
3 |
143 |
92 |
561 |
336 |
103 |
0 |
0 |
| ODI |
1 |
33 |
27 |
363 |
370 |
172 |
0 |
0 |
| CDI |
0 |
9 |
14 |
178 |
576 |
1123 |
153 |
0 |
| VCDI |
0 |
3 |
3 |
51 |
216 |
1303 |
6691 |
4197 |
|
...date precedes bulletin
|
Date: 2023-12-05:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71070 |
10332 |
366 |
469 |
173 |
6 |
0 |
0 |
| OW |
52 |
311 |
216 |
569 |
115 |
7 |
0 |
0 |
| VODI |
0 |
65 |
54 |
557 |
421 |
43 |
0 |
0 |
| ODI |
0 |
11 |
2 |
161 |
653 |
184 |
0 |
0 |
| CDI |
0 |
4 |
6 |
73 |
577 |
1089 |
148 |
0 |
| VCDI |
0 |
0 |
3 |
31 |
125 |
1301 |
7553 |
3669 |
|
...date precedes bulletin
|
Date: 2023-12-07:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70045 |
11070 |
468 |
631 |
98 |
16 |
0 |
0 |
| OW |
17 |
314 |
138 |
608 |
181 |
16 |
0 |
0 |
| VODI |
0 |
47 |
32 |
413 |
436 |
83 |
0 |
0 |
| ODI |
0 |
11 |
13 |
159 |
392 |
312 |
0 |
0 |
| CDI |
0 |
13 |
3 |
124 |
426 |
915 |
189 |
0 |
| VCDI |
0 |
10 |
13 |
66 |
249 |
1526 |
7395 |
3987 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70041 |
11150 |
479 |
681 |
118 |
16 |
0 |
0 |
| OW |
21 |
229 |
126 |
548 |
181 |
12 |
0 |
0 |
| VODI |
0 |
52 |
39 |
405 |
418 |
78 |
0 |
0 |
| ODI |
0 |
12 |
7 |
191 |
403 |
287 |
2 |
0 |
| CDI |
0 |
13 |
4 |
111 |
425 |
945 |
152 |
0 |
| VCDI |
0 |
9 |
12 |
65 |
237 |
1530 |
7430 |
3987 |
|
Date: 2023-12-09:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70569 |
9903 |
391 |
709 |
148 |
29 |
0 |
0 |
| OW |
33 |
364 |
142 |
512 |
275 |
49 |
0 |
0 |
| VODI |
0 |
112 |
40 |
369 |
366 |
179 |
1 |
0 |
| ODI |
0 |
51 |
8 |
158 |
291 |
371 |
18 |
0 |
| CDI |
0 |
62 |
18 |
109 |
364 |
1199 |
309 |
0 |
| VCDI |
0 |
34 |
43 |
169 |
379 |
1117 |
6543 |
4982 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70558 |
9965 |
391 |
757 |
175 |
30 |
0 |
0 |
| OW |
44 |
294 |
140 |
445 |
270 |
45 |
0 |
0 |
| VODI |
0 |
108 |
42 |
378 |
328 |
169 |
0 |
0 |
| ODI |
0 |
60 |
9 |
183 |
276 |
383 |
13 |
0 |
| CDI |
0 |
59 |
10 |
108 |
400 |
1242 |
333 |
0 |
| VCDI |
0 |
40 |
50 |
155 |
374 |
1075 |
6525 |
4982 |
|
Date: 2023-12-11:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70250 |
10094 |
290 |
397 |
88 |
11 |
0 |
0 |
| OW |
42 |
533 |
310 |
443 |
77 |
22 |
0 |
0 |
| VODI |
0 |
162 |
58 |
792 |
281 |
30 |
0 |
0 |
| ODI |
1 |
48 |
32 |
210 |
565 |
102 |
14 |
0 |
| CDI |
4 |
18 |
32 |
219 |
482 |
1594 |
193 |
0 |
| VCDI |
5 |
0 |
0 |
12 |
304 |
995 |
6984 |
4722 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70205 |
9922 |
317 |
527 |
139 |
33 |
0 |
0 |
| OW |
87 |
519 |
192 |
436 |
174 |
43 |
7 |
0 |
| VODI |
0 |
188 |
102 |
447 |
313 |
85 |
14 |
0 |
| ODI |
1 |
72 |
37 |
282 |
244 |
413 |
48 |
0 |
| CDI |
5 |
102 |
37 |
213 |
512 |
1072 |
388 |
0 |
| VCDI |
4 |
52 |
37 |
168 |
415 |
1108 |
6734 |
4722 |
|
Date: 2023-12-13:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68900 |
10525 |
322 |
446 |
60 |
0 |
0 |
0 |
| OW |
14 |
507 |
222 |
617 |
141 |
26 |
0 |
0 |
| VODI |
0 |
174 |
106 |
625 |
430 |
73 |
0 |
0 |
| ODI |
0 |
74 |
16 |
360 |
492 |
139 |
0 |
0 |
| CDI |
1 |
4 |
8 |
217 |
1052 |
1741 |
275 |
0 |
| VCDI |
9 |
0 |
0 |
4 |
121 |
1580 |
6486 |
4649 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68897 |
10262 |
291 |
497 |
110 |
34 |
0 |
0 |
| OW |
17 |
671 |
189 |
488 |
268 |
75 |
2 |
0 |
| VODI |
0 |
222 |
149 |
526 |
358 |
150 |
7 |
0 |
| ODI |
0 |
64 |
27 |
332 |
372 |
393 |
1 |
0 |
| CDI |
3 |
59 |
17 |
336 |
863 |
1443 |
512 |
2 |
| VCDI |
7 |
6 |
1 |
90 |
325 |
1464 |
6239 |
4647 |
|
Date: 2023-12-15:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69883 |
9508 |
233 |
291 |
51 |
2 |
0 |
0 |
| OW |
19 |
736 |
140 |
493 |
159 |
13 |
0 |
0 |
| VODI |
3 |
337 |
128 |
458 |
476 |
136 |
0 |
0 |
| ODI |
0 |
155 |
54 |
334 |
362 |
188 |
0 |
0 |
| CDI |
2 |
79 |
99 |
419 |
847 |
998 |
364 |
0 |
| VCDI |
8 |
0 |
1 |
55 |
288 |
2796 |
5877 |
4424 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69879 |
8925 |
173 |
342 |
119 |
34 |
0 |
0 |
| OW |
25 |
927 |
137 |
319 |
176 |
88 |
4 |
0 |
| VODI |
1 |
594 |
135 |
471 |
395 |
203 |
24 |
0 |
| ODI |
0 |
187 |
84 |
335 |
378 |
314 |
137 |
0 |
| CDI |
3 |
153 |
105 |
388 |
610 |
673 |
690 |
0 |
| VCDI |
7 |
29 |
21 |
195 |
505 |
2821 |
5386 |
4424 |
|
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